Ozone applicator



Aug. 29, 1933. M. E. HANsoN OZONE APPLICATOR Filed Jan. 29, 1931 Patented Aug. 29, 1933 UNITED STATES OZONE APPLICATOR Milton E. Hanson, Collingswood, N. J., assignor to B. F. Sturtevant Company, a Corporation of Massachusetts Application January 29, 1931. :serial No. 512,079

8 Claims.

The object of the invention is to provide improvements in ozone applicators broadly, but more especially as such devices are adapted for use in conjunction with or as a part of printing machinery, particularly offset printing upon paper,

textiles, and the like.

` Heretofore, in offset printing upon one or both sides of a sheet, it has been necessary to rst print upon one side of the sheet, set aside stacks of such sheets or uncut rolls to dry, and then run them through the press a second time to receive the impressions upon their respective opposite sides. This has always involved a delay of several hours or even days in completing a given issue of a magazine or the like, has required that considerable storage room shall be available, and has resulted in a certain loss while bringing the impressions upon the opposite sides of the sheets into substantial registry.

continuous subsequent printing of the opposite surfaces of a sheet or web possible, by eliminating the need for storage space while drying between impressions, and by preventing loss through lack of registration, it has been suggested that ozone be applied to the ink impression, in order to oxidize or dry the ink almost immediately after beingl placed upon the paper or textile web, so that that same first-printed surface can safely contact with a roll or platen, while the opposite side of the sheet or web is receiving its one o more impressions.

However, certain diiiiculties in the use of ozone presented themselves:-Drying of ink as with other articles is accelerated with increased temperatures; therefore, ozone should be applied to the ink while the surface is fairly hot, but as ozone begins to lose its stability at approximately 60 F., it must be maintained relatively cool (i. e., preferably below 50 or 60 F. at all times) until it reaches a'position as close as possible to the point where its impingement upon the ink is desired.

An object, more specifically, has therefore been to provide an ozone conductor which also serves as an elongated nozzle for keeping cool, conveying and then discharging the ozone into very close proximity to the printed surface of a paper or textile web, the exact degree of separation of the 5 following description, when read in conjunction In order to obviate these drawbacks by making nozzle from such web being finely adjustable at with the accompanying drawing, in which Fig. 1 is a partly elevational, partly sectional View of one embodiment of the invention; Fig. 2 is a Vertical section of the same; and Fig. 3 is a horizontal section on the line 3-3 of Fig. 1.

Referring to the drawing, a cylindrical conduit 1 is formed of either one or a plurality of sections and is provided at the upper portions of its opposite ends with threaded apertures 2, into each of which is secured a nipple 3, communicating with an ell 4, which in turn is connected with a flexible tube 5, one of said tubes leading from a source of cold water supply, while the other tube serves as a discharge for water after it has passed through said conduit. The lower portion of the opposite sides of said conduit are deflected downwardly in order to provide spaced substantially parallel Walls 6, which in turn are deflected in laterally opposite directions to provide arcuate flanges 7, spaced from the adjacent portions of said conduit proper. Surrounding said conduit may then be extended any suitable form of heat insulating medium 8, said medium extending closely adjacent to the walls 6 and between the conduit 1 and the flanges 7.

The opposite ends of the conduit 1 are closed by any suitable form of end plate 9, provided with an aperture l0 to support the opposite end portions of a tube comprising like sections 11 and adapted to conduct ozone through the central portion of the conduit 1, with which said tube is preferably coaxial. Each of the tube sections is preferably united along one side by means of bolts or the like 12, extending through longitudinal flanges 13, while from the diametrically opposite side of said tube said sections merge into preferably parallel anges 14, secured flrmly together by bolts or' the like 15. This last-named pair of anges extends radially through the space formed by and between 95 the conduit walls 6 and terminates in laterally oppositely extending arcuate flanges 16, which are secured by means of bolts 17 or the like -to the corresponding flanges 'l of said conduit.

Fig. 2 to provide a radial channel 18 leading from within the tube 11-11 outwardly. Said removed or cutaway portions in the anges 14 are preferably of substantially equal depth in the respective flanges, so that the cutaway portion in one flange is complementary to the corresponding portion of the other flange. Between said cutaway portions are spaced ribs 19, through which extend the bolts 15, said ribs operating to prevent tension upon said bolts collapsing the channels 18. Each of said channels may taper from the interior of said tube to the plane which is tangential to the outer surface of the flanges 16, at the point where said conduits merge through said flanges, or as shown in Fig. 2 said conduits may be of uniform cross section from the interior of said tube to a pointl but slightly spaced from said plane, whence relatively narrower channels 19n form outlets for the respective channels 18 in said tangential plane, each'of said last-named channels 19a being preferably one-half in one flange and the other one-half in the other of said flanges 14.

'With this construction it has been found that any possible foreign matter which might enter the tube 11-11 could not well clog the channels 18, and if it collected in any portion of any of the narrower terminal channels 19a, such matter can be readily removed by means of any suitably shaped instrument having a slender blade or hook such as can be inserted radially inwardly through said last-named channels and readily withdrawn again.

Into each of the opposite ends of the tube ll-11 is secured one end of a conventionally illustrated exible nipple 20, the opposite end of which enters a universal joint 21, which in turn is connected by means of a second exible nipple 22 to a T joint 23, in turn communicating with an ozone supply manifold 24 at each end of the device.

In referring to ozone specifically asbeing conducted through the manifold 24 and thence into, through, and from the improved device, there is in mind the use of this apparatus for the discharge of any desired fluid, though the apparatus has been primarily designed for use in conducting ozone to desired locations adjacent to the path of a printed paper or textile web in a printing press or the like.

For purposes of illustration, a web 27 is shown as moving upon a support 26, which may comprise a portion of a revolving roll, or may be a relatively stationary support of any suitable construction. For the purpose of particularly adjusting the distance between the tangential plane of ozone discharge, hereinbefore described, and the adjacent surface of the web 27, each of the nipples 20 is provided with a collar 28, having a laterally extending projection 29, through which a bolt 30 is in threaded engagement, said bolt also cooperating with a relatively flxedly positioned bracket 31, which in turn is provided with a lateral offset position 32 in sliding engagement with the adjacent portion of said collar, while a set screw or bolt 33 passes through said collar and said bracket offset to secure these two elements in xed position, after they have been adjusted with respect to each other by means of the bolt 30. From this construction it will be obvious that a very fine degree of adjustment can be placed upon the ozone channel outlets with respect to the movable web, as hereinbefore referred to.

Having thus described my invention, what I claim and desire to protect by Letters Patent of the United States is:

1. A fluid applicator, comprising a tube adapted to conduct a fluid and having a lateral opening, a casing surrounding said tube in spaced relation andk adapted to conduct a temperature controlling agent adjacent to said tube, said casing also having a lateral opening in alignment with the opening of said tube, a channelled extension of the wall of said tube extending through and in spaced relation with the sides of the opening of said casing, and a closure for the spaces between said extension and said casing.

2. A uid applicator, comprising a tube adapted to conduct a fluid and having a lateral opening, a casing surrounding said tube in spaced relation and adapted to conduct a temperature controlling agent adjacent to said tube, said casing also having a lateral opening, a channelled extension of the wall of said tube extending freely through said casing opening, and a closure for the opening in said casing extending in laterally opposite directions from said channelled extension.

3. A uid applicator, comprising a tube adapted to conduct a fluid and having a channelled radial extension to form a nozzle, a casing surrounding said tube in spaced relation and adapted to conduct a temperature controlling agent adjacent to said tube, said casing having an opening through which said tube extension freely projects, and detachable means to seal the joint between said casing and said extension.

4. A iiuid applicator, comprising a tube adapted to conduct a uid and having a channelled radial extension to form a nozzle, and a casing surrounding said tube in spaced relation and adapted to conduct a temperature controlling agent adjacent to said tube, said casing having an opening through which said tube extension projects beyond the plane of the outer surface of said casing.

5. A fluid applicator, comprising a tube adapted to conduct a fluid and having a channelled` radial extension to form a nozzle, a casing surrounding said tube in spaced relation and adapted to conduct a temperature controlling agent adjacent to said tube, said casing also having a radial extension provided with a relatively wide channel through which said tube extension passes in spaced relation, and said extensions being joined at their radially outer limits to' inclose the spaceI between them.

6. A fluid applicator, comprising a tube adapted to conduct a uid and having a channelled radial extension to form a nozzle, a casing surrounding said tube in spaced relation and adapted to conduct a temperature controlling agent adjacent to said tube, heat-insulating material surrounding said casing, said casing also having a radial extension projecting through said heatinsulating material and provided with a relatively wide channel through which said tube extension passes in spaced relation, and means to seal the connection between said extensions.

7. A fluid applicator, comprising a tube adapted to conduct a uid and having a channelled radial extension to form a nozzle, a casing surrounding said tube in spaced relation and adapted to conduct a temperature controlling agent adjacent to said tube, heat-insulating material surrounding said casing, said casing also having a radial extension projecting through said heatinsulating material and provided with a. relaing substantially semi-cylindrical, and said sections being provided upon one side' with radial extensions which are' closely adjacent to each other, the adjacent surfaces of said extensions being provided with complementary elongated recesses to form spaced channels separated by contacting ribs,'and means connecting said extensions through said ribs to secure said tube sections together.

BmTON E. HANSON. 

